News tagged with sludge digestion

Energy efficient sewage plants

High-rate digestion with microfiltration is state-of-the-art in large sewage plants. It effectively removes accumulated sludge and produces biogas to generate energy. A study now reveals that even small plants can benefit ...

Technology / Energy & Green Tech

created Aug 13, 2009 | popularity 5 / 5 (2) | comments 0




Search results for sludge digestion


Two-in-one device uses sewage as fuel to make electricity and clean the sewage

Scientists today described a new and more efficient version of an innovative device the size of a home washing machine that uses bacteria growing in municipal sewage to make electricity and clean up the sewage at the same ...

Technology / Energy & Green Tech

created Mar 29, 2012 | popularity 4.9 / 5 (8) | comments 1 | with audio podcast

Water purification unit generates its own energy

A new biological water purification facility developed by Siemens generates enough methane gas to power its own operations. It also produces much less sludge than conventional systems. The pilot facility for ...

Technology / Energy & Green Tech

created Jul 25, 2011 | popularity 4.6 / 5 (9) | comments 3

Artificial sweetener leaves lingering aftertaste in the environment

(PhysOrg.com) -- Recently, the global use of artificial sweeteners in foods has dramatically increased. A new study led by Cesar Torres, and Rosa Krajmalnik-Brown – researchers at the Biodesign Institute at Arizona State ...

Space & Earth / Environment

created Jun 21, 2011 | popularity 5 / 5 (2) | comments 0

Long-lasting chemicals threaten the environment and human health: study

Every hour, an enormous quantity and variety of manmade chemicals, having reached the end of their useful lifespan, flood into wastewater treatment plants. These large-scale processing facilities, however, ...

Space & Earth / Environment

created Dec 21, 2010 | popularity 4.1 / 5 (9) | comments 4 | with audio podcast

Engineering researcher finds new way to fight antibiotic-resistant bacteria

New findings by civil engineering researchers in the University of Minnesota's College of Science and Engineering shows that treating municipal wastewater solids at higher temperatures may be an effective tool in the fight ...

Chemistry / Biochemistry

created Nov 22, 2010 | popularity 5 / 5 (1) | comments 1

Leaking Siberian ice raises a tricky climate issue

(AP) -- The Russian scientist shuffles across the frozen lake, scuffing aside ankle-deep snow until he finds a cluster of bubbles trapped under the ice. With a cigarette lighter in one hand and a knife in ...

Space & Earth / Environment

created Nov 21, 2010 | popularity 3.9 / 5 (15) | comments 6

UK town using fuel from human waste

(PhysOrg.com) -- A town in Oxfordshire has become the first in the UK to have biomethane gas generated from human waste piped to their homes for gas central heating and cooking.

Technology / Energy & Green Tech

created Oct 07, 2010 | popularity 5 / 5 (10) | comments 2 | with audio podcast report

Researchers find renewable energy leftovers could fertilize, cut carbon emissions

(PhysOrg.com) -- For hundreds of years, farmers in Brazil's Amazon Basin have hunted through dense jungles for what is called "terra preta" — mysterious plots of super-fertile black soil amid otherwise nutrient-stripped earth.

Space & Earth / Environment

created Sep 30, 2010 | popularity 5 / 5 (3) | comments 2

Measuring the stability of organic waste

The number of waste treatment facilities using biological processes to biodegrade waste has been increasing over the years. These installations receive municipal and industrial organic wastes with the common main goal of ...

Space & Earth / Environment

created Mar 29, 2010 | popularity 3.3 / 5 (3) | comments 0

Waste could generate up to 7 percent of electricity in Spain

Researchers from the University of Zaragoza (UNIZAR) have calculated the energy and economic potential of urban solid waste, sludge from water treatment plants and livestock slurry for generating electricity ...

Space & Earth / Environment

created Feb 23, 2010 | popularity 2.5 / 5 (2) | comments 0


List of search results for sludge digestion